Ms. Tan bought 8 bottles of fruit juice for a party. Each bottle contained 550 ml of fruit juice.

She drank a bottle and poured the remaining into a glass.

(a) How many milliliters of fruit juice did Ms. Tan buy?

ml

(b) How many milliliters of fruit juice were there in the glass?

ml

(a)

550 ml × 8 = 4400 ml = 4 L 400 ml

Ms. Tan bought 4400 ml of fruit juice.

(b)

4400 ml – 550 ml = 3850 ml = 3 L 850 ml

There was 3850 ml of fruit juice in the glass.